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Effect of homogenization on the hot deformation behavior of cast AZ31 magnesium alloy
AbstractThe changes in the hot working behavior of as-cast AZ31 magnesium alloy occurring due to homogenization have been studied using processing maps. The map for as-cast material exhibits three workability domains of dynamic recrystallization, the industrially viable one being in the temperature range of 325–400°C and strain rate range of 0.3–1.0s−1. The homogenization treatment, which dissolves the intermetallic particles present at the grain boundaries of as-cast material, improves hot workability by expanding the workability domains and reducing the intercrystalline cracking and flow instability regimes. The rate-controlling mechanisms are however unchanged by the homogenization treatment.
Effect of homogenization on the hot deformation behavior of cast AZ31 magnesium alloy
AbstractThe changes in the hot working behavior of as-cast AZ31 magnesium alloy occurring due to homogenization have been studied using processing maps. The map for as-cast material exhibits three workability domains of dynamic recrystallization, the industrially viable one being in the temperature range of 325–400°C and strain rate range of 0.3–1.0s−1. The homogenization treatment, which dissolves the intermetallic particles present at the grain boundaries of as-cast material, improves hot workability by expanding the workability domains and reducing the intercrystalline cracking and flow instability regimes. The rate-controlling mechanisms are however unchanged by the homogenization treatment.
Effect of homogenization on the hot deformation behavior of cast AZ31 magnesium alloy
Prasad, Y.V.R.K. (author) / Rao, K.P. (author)
2009-02-11
8 pages
Article (Journal)
Electronic Resource
English
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